Research Article
Retrospective Multivariate Analysis of Data from Children with Suspected Appendicitis: A New Tool for Diagnosis
Table 1
Comparison of patient characteristics and findings between study groups (GI: gastrointestinal, CRP: C-reactive protein).
| | Group Non-appendicitis | Group Appendicitis | p |
| n | 603 | 355 | | Gender distribution (Female/Male) | 45.8% / 54.2% | 39.7% / 60.3% | 0.03 | Mean age (years) | 10.6±4.6 | 10.9±4.1 | >0.05 | Mean duration of symptoms (hours) | 30.51±30.60 | 39.84±35.63 | 0.001 | Continuous abdominal pain (%) | 20.2 | 79.2 | 0.001 | Intermittent abdominal pain (%) | 79.6 | 20.8 | 0.001 | Migration of abdominal pain (%) | 10.6 | 64.7 | ≤0.001 | Nausea (%) | 10.1 | 5.9 | ≤0.001 | Anorexia (%) | 54.5 | 77.3 | ≤0.001 | Bilious vomiting (%) | 12.1 | 46.6 | ≤0.001 | Pyrexia (%) | 11.1 | 33.9 | ≤0.001 | Right lower quadrant tenderness (%) | 95.1 | 100 | 0.001 | Guarding (%) | 46 | 88.2 | ≤0.001 | Rebound (%) | 23 | 70.1 | ≤0.001 | Positive heel drop test (%) | 5.9 | 65.6 | ≤0.001 | GI motility changes (%) | 7.2 | 10.4 | >0.05 | Gurgling (%) | 4.9 | 26.2 | ≤0.001 | Leukocytosis (%) | 55.3 | 87.8 | ≤0.001 | Neutrophilia (%) | 44.4 | 83.3 | ≤0.001 | CRP elevation (%) | 33.3 | 65.6 | ≤0.001 | Negative urinalysis (%) | 79.6 | 85.9 | 0.05 | Scoliosis to right side (%) | 19.4 | 51.6 | ≤0.001 | Localized air-fluid level (%) | 21.4 | 56.6 | ≤0.001 | Localized gas deposition (%) | 15.8 | 51.6 | ≤0.001 | Appendicolith (%) | 0.5 | 5.9 | ≤0.001 | Appendix diameter>7mm (%) | 11.1 | 41.6 | ≤0.001 | Appendix wall thickening (%) | 11.9 | 49.3 | ≤0.001 | Periappendiceal free fluid (%) | 18.6 | 52.5 | ≤0.001 |
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